Register
Login
Username
Password
Login
forgot your password?
Home
Forum
+0
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Post New Question
All Questions
+0
237262 Questions
0
16
0
+1855
Help!
What are the coordinates of the points where the graphs of $f(x)=x^3 + x^2 - 3x + 5$ and $g(x)=x^4-7x^3+5x^2-18x+17$ intersect?
Give your answer as a list of points separated by commas, with the points ordered such that
read more ..
ABJeIIy
Aug 10, 2024
0
12
1
+19
Help Please!
A stick is broken at two points, chosen at random. If the length of the stick is 6 units, then what is the probability that all three resulting pieces are shorter than 6 units?
I've seen the other posts, and I can't seem to figure it
read more ..
●
helpmeeee
Aug 10, 2024
0
26
0
+965
Algebra
Find the real number k such that f(x) = f(k - x) for all real numbers x, where
f(x) = 3x^2 - 4x + 2x^2 + 15x.
magenta
Aug 10, 2024
0
29
0
+965
Algebra
Let $b$ be a constant. What is the smallest possible degree of the polynomial $f(x) + b \cdot g(x)$, where $f(x) = 2x^5 - 6x^4 - 4x^3 + 12x^2 + 7x - 5$ and $g(x) = x^15 - 3x^14 - 2x^13 - 6x^12 + 14x - 10$?
magenta
Aug 10, 2024
0
21
0
+789
Algebra
Let $f$ be a cubic polynomial such that $f(0) = 0$, $f(1) = 0$, $f(2) = 0$, and $f(3)=0$. What is the sum of the coefficients of $f$?
bingboy
Aug 10, 2024
0
21
0
+789
Algebra
Determine all of the following for $f(x) \cdot g(x)$, where $f(x) = -x^2+ 8x - 5$ and $g(x) = x^3 - 11x^2 + 2x$.
Leading term
Leading coefficient
Degree
read more ..
bingboy
Aug 10, 2024
+1
23
1
+17
algebra problem, please help asap! due tonight...
Five workers have been hired to complete a job. If one additional worker is hired, they could complete the job 12 days earlier. If the job needs to be completed 32 days earlier, how many additional workers should be hired?
●
its.sabriebrie
Aug 10, 2024
0
14
1
+821
Algebra
Find the vertex of the graph of the equation y = -2x^2 + 8x + 15 - 3x^2 + 7x - 25
●
cooIcooIcooI17
Aug 10, 2024
0
23
1
+1208
Algebra
Find the area of the region enclosed by the graph of $x^2 + y^2 = 2x - 6y + 6 + 14x - 16y + 80$.
●
AnswerscorrectIy
Aug 10, 2024
0
24
1
+1208
Algebra
The graph of $y = ax^2 + bx + c$ has an axis of symmetry of $x = -1.$ If $a = 2,$ then find $b.$
●
AnswerscorrectIy
Aug 10, 2024
0
20
1
+1855
Counting
Four children and four adults are to be seated at a circular table. In how many different ways can they be seated if all the children are together? (Two seatings are considered the same if one can be rotated to form the other.)
●
ABJeIIy
Aug 10, 2024
0
22
1
+2729
help plz
I have $4$ different mathematics textbooks and $3$ different psychology textbooks. In how many ways can I place the $7$ textbooks on a bookshelf, in a row, if all the psychology textbooks are together?
●
LiIIiam0216
Aug 10, 2024
0
22
1
+2729
Need help
A speech class has $4$ freshmen and $3$ sophomores. (Everyone is distinguishable.) In how many ways can they stand in line, so that all of the freshmen are standing next to each other?
●
LiIIiam0216
Aug 10, 2024
0
14
2
+4
Pls help i dont want just answer pls explain
In the figure, if the measure of arc FG is 118 degrees , the measure of arc FQ is 25 degrees, and FR=FG then what is angle RPG, in degrees?
Thank
read more ..
●
●
asjfj
Aug 10, 2024
0
17
3
+1493
Plz help
Solve the inequality x(x + 6) > 16 - x + 14 + x^2. Write your answer in interval notation.
●
●
●
learnmgcat
Aug 10, 2024
0
16
1
+1493
Need help
Solve the inequality 4t^2 \le -9t + 12 - 4t + 23 + (2t - 1)(2t + 1). Write your answer in interval notation.
●
learnmgcat
Aug 10, 2024
0
15
1
+1000
Inequality
Solve the inequality
\frac{3-z}{z+1} \ge 2(z + 4).
Write your answer in interval notation.
●
Hi6942O
Aug 10, 2024
0
12
3
+38
PLS HELP
Let u and w be complex numbers such that
|u|=5, |w|=3, and |u+w|=6.
Calculate |u+2w| with proof.
Could someone explain to me the steps to do this? I dont really understand this subject.
Thanks
read more ..
●
●
●
JRFPLSHelp
Aug 10, 2024
0
10
1
+1926
Geometry
Let k be a positive real number. The line x + y = 3k and the circle x^2 + y^2 = k - 4x - 6y are drawn. Find $k$ so that the line is tangent to the circle.
●
tomtom
Aug 10, 2024
0
25
1
+1266
Geometry
Find the area of the region enclosed by the graph of the equation x^2-14x+3y+70=15+9y-y^2 that lies below the line y=x+1.
●
Akhain1
Aug 10, 2024
Aug 9, 2024
0
21
1
+1266
Geometry
The equation of a circle in the coordinate plane can be written as $Ax^2 + 2y^2 + Bx + Cy = 50.$ The center of the circle is at $(2,1)$. Let $r$ be the radius of the circle. Find A+B+C+r.
●
Akhain1
Aug 9, 2024
0
21
0
+921
Coordinates
Triangle $ABC$ has vertices $A(2, 3),$ $B(1, -8)$ and $C(-3, 2).$ The line containing the altitude through $A$ intersects the point $(0, y).$ What is the value of $y$?
gnistory
Aug 9, 2024
0
17
0
+901
Probability
In the SuperLottery, three balls are drawn (at random, without replacement) from white balls numbered from 1 to 12 and one SuperBall is drawn (at random) from red balls numbered from 13 to 20 When you buy a ticket, you choose three numbers from 1 to
read more ..
booboo44
Aug 9, 2024
0
21
1
+1766
Probability
A fair coin is tossed repeatedly until either heads comes up three times in a row or tails comes up three times in a row. What is the probability that the coin will be tossed more than 4 times? Express your answer as a common fraction.
●
blackpanther
Aug 9, 2024
-2
13
1
+331
Probability
Triangle XYZ is equilateral, with O as its center. A point P is chosen at random. Find the probability that P is closer to point O than to any of the side lengths.
●
Stanry
Aug 9, 2024
«
latest
9489
9488
..
9363
9362
9361
9360
9359
..
2
1
»
Post New Question
2 Online Users
Top Users
+130466
CPhill
moderator
+33654
Alan
moderator
+15058
asinus
moderator
+3146
admin
administrator
+2234
GingerAle
+1950
NotThatSmart
+1766
blackpanther
+1729
parmen
+1376
Bosco
+1208
AnswerscorrectIy
+965
magenta
Sticky Topics
Some guidelines for question askers.
What is Happening 5
Again a number puzzle. Multiply in writing.
Loads of fun printable number and logic puzzles
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
/calculator/bsh9ex1zxj
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.